Home / 72,266,210,116.47-99,730,061,383.73-43,335,110,291.15

Finding the Fourth Proportional to 72,266,210,116.47, 99,730,061,383.73 and 43,335,110,291.15

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Solution

The fourth proportional to 72,266,210,116.47, 99,730,061,383.73 and 43,335,110,291.15 is: 59,804,066,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266,210,116.47 : 99,730,061,383.73 = 43,335,110,291.15 : x
  2. Step 2: Convert to fraction form
    72,266,210,116.47/99,730,061,383.73 = 43,335,110,291.15/x
  3. Step 3: Cross multiply
    72,266,210,116.47x = 99,730,061,383.73 × 43,335,110,291.15
  4. Step 4: Simplify right side
    72,266,210,116.47x = 4,321,813,209,407,281,430,528
  5. Step 5: Solve for x
    x = 4,321,813,209,407,281,430,528/72,266,210,116.47
  6. Step 6: Final answer
    x = 59,804,066,138.82

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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.