Home / 201,667,031.95-302,500,547.93-99,630,359.95

Finding the Fourth Proportional to 201,667,031.95, 302,500,547.93 and 99,630,359.95

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Solution

The fourth proportional to 201,667,031.95, 302,500,547.93 and 99,630,359.95 is: 149,445,539.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,667,031.95 : 302,500,547.93 = 99,630,359.95 : x
  2. Step 2: Convert to fraction form
    201,667,031.95/302,500,547.93 = 99,630,359.95/x
  3. Step 3: Cross multiply
    201,667,031.95x = 302,500,547.93 × 99,630,359.95
  4. Step 4: Simplify right side
    201,667,031.95x = 30,138,238,475,338,128
  5. Step 5: Solve for x
    x = 30,138,238,475,338,128/201,667,031.95
  6. Step 6: Final answer
    x = 149,445,539.93

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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.