Home / 105,547,708,808.13-145,654,803,364.80-57,372,885,743.81

Finding the Fourth Proportional to 105,547,708,808.13, 145,654,803,364.80 and 57,372,885,743.81

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Solution

The fourth proportional to 105,547,708,808.13, 145,654,803,364.80 and 57,372,885,743.81 is: 79,174,019,842.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,547,708,808.13 : 145,654,803,364.80 = 57,372,885,743.81 : x
  2. Step 2: Convert to fraction form
    105,547,708,808.13/145,654,803,364.80 = 57,372,885,743.81/x
  3. Step 3: Cross multiply
    105,547,708,808.13x = 145,654,803,364.80 × 57,372,885,743.81
  4. Step 4: Simplify right side
    105,547,708,808.13x = 8,356,636,391,485,053,337,600
  5. Step 5: Solve for x
    x = 8,356,636,391,485,053,337,600/105,547,708,808.13
  6. Step 6: Final answer
    x = 79,174,019,842.31

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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.