Home / 105,547,708,806.63-145,654,803,362.73-57,372,885,742.30

Finding the Fourth Proportional to 105,547,708,806.63, 145,654,803,362.73 and 57,372,885,742.30

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Solution

The fourth proportional to 105,547,708,806.63, 145,654,803,362.73 and 57,372,885,742.30 is: 79,174,019,840.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547,708,806.63 : 145,654,803,362.73 = 57,372,885,742.30 : x
  2. Step 2: Convert to fraction form
    105,547,708,806.63/145,654,803,362.73 = 57,372,885,742.30/x
  3. Step 3: Cross multiply
    105,547,708,806.63x = 145,654,803,362.73 × 57,372,885,742.30
  4. Step 4: Simplify right side
    105,547,708,806.63x = 8,356,636,391,146,791,108,608
  5. Step 5: Solve for x
    x = 8,356,636,391,146,791,108,608/105,547,708,806.63
  6. Step 6: Final answer
    x = 79,174,019,840.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.