Home / 86,685,624.32-130,050,085.08-61,176,456.32

Finding the Fourth Proportional to 86,685,624.32, 130,050,085.08 and 61,176,456.32

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Solution

The fourth proportional to 86,685,624.32, 130,050,085.08 and 61,176,456.32 is: 91,779,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,685,624.32 : 130,050,085.08 = 61,176,456.32 : x
  2. Step 2: Convert to fraction form
    86,685,624.32/130,050,085.08 = 61,176,456.32/x
  3. Step 3: Cross multiply
    86,685,624.32x = 130,050,085.08 × 61,176,456.32
  4. Step 4: Simplify right side
    86,685,624.32x = 7,956,003,349,308,904
  5. Step 5: Solve for x
    x = 7,956,003,349,308,904/86,685,624.32
  6. Step 6: Final answer
    x = 91,779,962.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.